function update_filters() {
	//alert('hide me');

if ( get_cookie('content') != '' && get_cookie('content') != undefined ) {

	document.getElementById('filter_container').style.visibility = 'visible';
	document.getElementById('filter_container').style.height = 'auto';

	var XMLHttpRequestObject = false;

	if (window.XMLHttpRequest) {
		XMLHttpRequestObject = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
	}

	if(XMLHttpRequestObject) {
		XMLHttpRequestObject.open( "GET", "update_filters.php?w=" + get_cookie('content') + "&c=" + get_cookie('currency') + "&l=" + get_cookie('language') );
		XMLHttpRequestObject.onreadystatechange = function() {
			if (XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200) {
				document.getElementById('filters').innerHTML = XMLHttpRequestObject.responseText;
			}
		}
		XMLHttpRequestObject.send(null);
	}
	
} else {
	document.getElementById('filter_container').style.visibility = 'hidden';
	document.getElementById('filter_container').style.height = '0px';
}

}